850861201 has 2 divisors, whose sum is σ = 850861202. Its totient is φ = 850861200.

The previous prime is 850861199. The next prime is 850861259. The reversal of 850861201 is 102168058.

850861201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 664402176 + 186459025 = 25776^2 + 13655^2 .

It is a cyclic number.

It is not a de Polignac number, because 850861201 - 2¹ = 850861199 is a prime.

Together with 850861199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (850861301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425430600 + 425430601.

It is an arithmetic number, because the mean of its divisors is an integer number (425430601).

Almost surely, 2^850861201 is an apocalyptic number.

It is an amenable number.

850861201 is a deficient number, since it is larger than the sum of its proper divisors (1).

850861201 is an equidigital number, since it uses as much as digits as its factorization.

850861201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 850861201 is about 29169.5252103972. The cubic root of 850861201 is about 947.5880462037.

The spelling of 850861201 in words is "eight hundred fifty million, eight hundred sixty-one thousand, two hundred one".